Difference between revisions of "MSS60 Error: 277C, P114A, P114B, P2096, P2097"
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(Created page with "{| | | |- |'''Information saved in''' |DME |- |'''Fault code''' |277C - P114A |- |'''Fault text''' |Oxygen sensor trim control diagnosis, bank 1 |- |'''Fault description''' |P...") (Tag: Visual edit) |
m (Rcollins moved page MSS60 Error: 277C, P114A, P1148, P2096, P2097 to MSS60 Error: 277C, P114A, P114B, P2096, P2097 without leaving a redirect) |
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Latest revision as of 19:58, 4 February 2015
277C - P114A
| Information saved in | DME |
| Fault code | 277C - P114A |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich (Bank 1) |
| Condition for fault identification | Test condition: LEAN suspected under consideration of P-component ((6 (K_LA_TRIM_P_ANZ_MAX) + 3 (K_LA_TRIM_DIAG_P_SCHW P-spikes)) leads to deliberate RICH/LEAN control activation; if the pre-catalyst and post-catalyst oxygen sensors respond accordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
277C - P114B
| Information saved in | DME |
| Fault code | 277C - P114B |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: LEAN suspected under consideration of P-component ((6 (K_LA_TRIM_P_ANZ_MAX) + 3 (K_LA_TRIM_DIAG_P_SCHW P-spikes)) leads to deliberate RICH/LEAN control activation; if the pre-catalyst and post-catalyst oxygen sensors respond accordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
277C - P114A
| Information saved in | DME |
| Fault code | 277C - P114A |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich (Bank 1) |
| Condition for fault identification | Test condition: LEAN suspected under consideration of I-component (( 2 (K_LA_TRIM_DIAG_I_MIN_SCHW) recognition of I-component limit) leads to deliberate RICH/LEAN control activation; If the pre-catalyst and post-catalyst oxygen sensors respondaccordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
277C - P2097
| Information saved in | DME |
| Fault code | 277C - P2097 |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim System Too Rich (Bank 1) |
| Condition for fault identification | Test condition: LEAN suspected under consideration of I-component (( 2 (K_LA_TRIM_DIAG_I_MIN_SCHW) recognition of I-component limit) leads to deliberate RICH/LEAN control activation; If the pre-catalyst and post-catalyst oxygen sensors respond accordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
277C - P114B
| Information saved in | DME |
| Fault code | 277C - P114B |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: RICH suspected under consideration of I-component (( 2 (K_LA_TRIM_DIAG_I_MAX_SCHW) recognition of I-component limit) leads to deliberate RICH/LEAN control activation; If the pre-catalyst and post-catalyst oxygen sensors respond accordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
277C - P2096
| Information saved in | DME |
| Fault code | 277C - P2096 |
| Fault text | Oxygen sensor trim control diagnosis, bank 1 |
| Fault description | Post Catalyst Fuel Trim System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: RICH suspected under consideration of I-component (( 2 (K_LA_TRIM_DIAG_I_MAX_SCHW) recognition of I-component limit) leads to deliberate RICH/LEAN control activation; If the pre-catalyst and post-catalyst oxygen sensors respond accordingly a trim control error is recognized. |
| Terminal condition: Engine running | |
| Voltage condition: None | |
| Condition for fault memory entry | None |
| Action in service | 1) Check intake and exhaust systems for leaks; incl. HFM operation/ ..if no fault is present.. |
| 2.) Conduct oxygen sensor test routine | |
| 3.) If the test does not produce any results and the trim control error is still present ->Replace the sensor before the catalytic converter | |
| Fault effect and breakdown warning | MIL on after engine runs 2x / no effects on drivability |
| Driver information | Warning light: MIL |
| Service instruction | None |
